<!-- 收银台 -->
<template>
  <s-layout title="ZeroOne收银台">
    <view class="bg-white ss-modal-box ss-flex-col">
      <view class="modal-header ss-flex-col ss-col-center ss-row-center">
        <view class="money-box ss-m-b-20">
          <text class="money-text">{{ state.totalAmount }}</text>
        </view>
        <view class="time-text">
          <text>{{ payDescText }}</text>
        </view>
      </view>
      <view class="modal-content ss-flex-1">
        <view class="pay-title ss-p-l-30 ss-m-y-30">选择支付方式</view>
        <radio-group @change="onTapPay">
          <label class="pay-type-item" v-for="item in state.payMethods" :key="item.title">
            <view class="pay-item ss-flex ss-col-center ss-row-between ss-p-x-30 border-bottom"
              :class="{ 'disabled-pay-item': item.disabled }" v-if="allowedPayment.includes(item.value)">
              <view class="ss-flex ss-col-center">
                <image class="pay-icon" v-if="item.disabled"
                  :src="sheep.$url.cdn('/static/img/shop/pay/cod_disabled.png')" mode="aspectFit"></image>
                <image class="pay-icon" v-else :src="sheep.$url.cdn(item.icon)" mode="aspectFit"></image>
                <text class="pay-title">{{ item.title }}</text>
              </view>
              <view class="check-box ss-flex ss-col-center ss-p-l-10">
                <view class="userInfo-money ss-m-r-10" v-if="item.value == 'money'">
                  余额: {{ userInfo.money }}元
                </view>
                <view class="userInfo-money ss-m-r-10" v-if="item.value == 'offline' && item.disabled">
                  部分商品不支持
                </view>
                <radio :value="item.value" color="var(--ui-BG-Main)" style="transform: scale(0.8)"
                  :disabled="item.disabled" :checked="state.payment === item.value" />
              </view>
            </view>
          </label>
        </radio-group>
      </view>
      <!-- 工具 -->
      <view class="modal-footer ss-flex ss-row-center ss-col-center ss-m-t-80 ss-m-b-40">
        <button v-if="state.payStatus === 0" class="ss-reset-button past-due-btn">
          检测支付环境中
        </button>
        <button v-else-if="state.payStatus === -1" class="ss-reset-button past-due-btn" disabled>
          支付已过期
        </button>
        <button v-else class="ss-reset-button save-btn" @tap="onPay" :disabled="state.payStatus !== 1"
          :class="{ 'disabled-btn': state.payStatus !== 1 }">
          立即支付
        </button>
      </view>
    </view>
  </s-layout>
</template>
<script setup>
import { computed, reactive } from 'vue';
import { onLoad } from '@dcloudio/uni-app';
import sheep from '@/sheep';
import { Base64 } from "js-base64";


const userInfo = computed(() => sheep.$store('user').userInfo);

// 检测支付环境
const state = reactive({
  orderType: 'goods',
  payment: 'wechat',
  totalAmount: '',
  orderInfo: {},
  payStatus: 0, // 0=检测支付环境, -2=未查询到支付单信息， -1=支付已过期， 1=待支付，2=订单已支付
  payMethods: [],
  payId: '',
  openId: ''
});

const allowedPayment = computed(() => {
  if (state.orderType === 'recharge') {
    return sheep.$store('app').platform.recharge_payment
  }
  return sheep.$store('app').platform.payment
});

const payMethods = [
  {
    icon: '/icons/wechat.png',
    title: '微信支付',
    value: 'wechat',
    disabled: false,
  },
  {
    icon: '/icons/alipay.png',
    title: '支付宝支付',
    value: 'alipay',
    disabled: false,
  },
  {
    icon: '/icons/wallet.png',
    title: '余额支付',
    value: 'money',
    disabled: false,
  },
  {
    icon: '/icons/apple.png',
    title: 'Apple Pay',
    value: 'apple',
    disabled: false,
  },
  {
    icon: '/icons/cod.png',
    title: '货到付款',
    value: 'offline',
    disabled: false,
  },
];

const onPay = () => {
  if (sheep.$platform.name === 'H5') {
    sheep.$helper.toast('请在微信中打开支付')
    return;
  }
  if (state.payment === '') {
    sheep.$helper.toast('请选择支付方式');
    return;
  }
  if (state.payment === 'wechat') {
    uni.showModal({
      title: '提示',
      content: '确定要支付吗?',
      success: function (res) {
        if (res.confirm) {
          console.log('微信发送前openId', state.openId)
          sheep.$platform.pay(state.payment, state.orderType, state.payId, state.totalAmount, state.openId);
        }
      }
    })
  }
}

const payDescText = computed(() => {
  // if (state.payStatus === 2) {
  //   return '该订单已支付';
  // }
  // if (state.payStatus === 1 && state.orderInfo.ext.expired_time !== 0) {
  //   const time = useDurationTime(state.orderInfo.ext.expired_time);
  //   if (time.ms <= 0) {
  //     state.payStatus = -1;
  //     return '';
  //   }
  //   return `剩余支付时间 ${time.h}:${time.m}:${time.s} `;
  // }
  // if (state.payStatus === -2) {
  //   return '未查询到支付单信息';
  // }

  return '';
});

function checkPayStatus() {
  if (state.orderInfo.status === 'unpaid') {
    state.payStatus = 1;
    return;
  }
  if (state.orderInfo.status === 'closed') {
    state.payStatus = -1;
    return;
  }
  state.payStatus = 2;
}

function onTapPay(e) {
  state.payment = e.detail.value;
}

async function setRechargeOrder(id) {
  const { data, error } = await sheep.$api.trade.order(id);
  if (error === 0) {
    state.orderInfo = data;
    state.payMethods = payMethods;
    checkPayStatus();
  } else {
    state.payStatus = -2;
  }
}

async function setGoodsOrder(id) {
  state.payStatus = 1
  state.payMethods = payMethods.filter(it => it.value === 'wechat')
}

onLoad(async (options) => {
  const authInfo = sheep.$store('app').authInfo
  if (!sheep.$store('user').userInfo.openId && authInfo) {
    await sheep.$api.user.setWechatInfo(Base64.encode(JSON.stringify(authInfo)))
    sheep.$store('user').userInfo.openId = authInfo.openid
    // sheep.$store('app').authInfo = null
  }
  // if (
  //   sheep.$platform.name === 'WechatOfficialAccount' &&
  //   sheep.$platform.os === 'ios' &&
  //   !sheep.$platform.landingPage.includes('pages/pay/index')
  // ) {
  //   location.reload();
  //   return;
  // }
  let id = '';
  if (options.orderSN) {
    id = options.orderSN;
  }
  if (options.id) {
    id = options.id;
  }
  if (options.totalAmount) {
    state.totalAmount = options.totalAmount
  }
  state.payId = id
  if (options.type === 'recharge') {
    state.orderType = 'recharge';
    // 充值订单
    setRechargeOrder(id);
  } else {
    state.orderType = 'goods';
    // 商品订单
    setGoodsOrder(id);
  }
  uni.login({
    success(res) {
      console.log('微信code' + res.code)
      const code = res.code;
      sheep.$api.third.getOpenId({ code }).then((res) => {
        console.log('微信openId', res.data.openId)
        state.openId = res.data.openId
      });

    }
  })
})
</script>
  
<style lang="scss" scoped>
.pay-icon {
  width: 36rpx;
  height: 36rpx;
  margin-right: 26rpx;
}

.ss-modal-box {
  // max-height: 1000rpx;

  .modal-header {
    position: relative;
    padding: 60rpx 20rpx 40rpx;


    .money-text {
      color: $red;
      font-size: 46rpx;
      font-weight: bold;
      font-family: OPPOSANS;

      &::before {
        content: '￥';
        font-size: 30rpx;
      }
    }

    .time-text {
      font-size: 26rpx;
      color: $gray-b;
    }

    .close-icon {
      position: absolute;
      top: 10rpx;
      right: 20rpx;
      font-size: 46rpx;
      opacity: 0.2;
    }
  }

  .modal-content {
    overflow-y: auto;

    .pay-title {
      font-size: 26rpx;
      font-weight: 500;
      color: #333333;
    }

    .pay-tip {
      font-size: 26rpx;
      color: #bbbbbb;
    }

    .pay-item {
      height: 86rpx;
    }

    .disabled-pay-item {
      .pay-title {
        color: #999999;
      }
    }

    .userInfo-money {
      font-size: 26rpx;
      color: #bbbbbb;
      line-height: normal;
    }
  }

  .save-btn {
    width: 710rpx;
    height: 80rpx;
    border-radius: 40rpx;
    background: linear-gradient(90deg, var(--ui-BG-Main), var(--ui-BG-Main-gradient));
    color: $white;
  }

  .disabled-btn {
    background: #e5e5e5;
    color: #999999;
  }

  .past-due-btn {
    width: 710rpx;
    height: 80rpx;
    border-radius: 40rpx;
    background-color: #999;
    color: #fff;
  }
}
</style>
  